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This function adds the explicit part of the diffusion terms with a symmetric tensor diffusivity for a transport equation of a vector field
.
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Functions/Subroutines | |
| subroutine | diftnv (idtvar, ivar, nswrgp, imligp, ircflp, inc, imrgra, ivisep, ippu, iwarnp, epsrgp, climgp, relaxp, thetap, pvar, pvara, coefav, coefbv, cofafv, cofbfv, viscf, viscb, secvif, rhs) |
This function adds the explicit part of the diffusion terms with a symmetric tensor diffusivity for a transport equation of a vector field
.
More precisely, the right hand side
is updated as follows:
Remark: if ivisep = 1, then we also take
, where
is the secondary viscosity, i.e. usually
.
Warning:
has already been initialized before calling diftnv!| subroutine diftnv | ( | integer | idtvar, |
| integer | ivar, | ||
| integer | nswrgp, | ||
| integer | imligp, | ||
| integer | ircflp, | ||
| integer | inc, | ||
| integer | imrgra, | ||
| integer | ivisep, | ||
| integer | ippu, | ||
| integer | iwarnp, | ||
| double precision | epsrgp, | ||
| double precision | climgp, | ||
| double precision | relaxp, | ||
| double precision | thetap, | ||
| double precision, dimension (3 ,ncelet) | pvar, | ||
| double precision, dimension (3 ,ncelet) | pvara, | ||
| double precision, dimension(3 ,nfabor) | coefav, | ||
| double precision, dimension(3,3,nfabor) | coefbv, | ||
| double precision, dimension(3 ,nfabor) | cofafv, | ||
| double precision, dimension(3,3,nfabor) | cofbfv, | ||
| double precision, dimension (3,3,nfac) | viscf, | ||
| double precision, dimension (nfabor) | viscb, | ||
| double precision, dimension(nfac) | secvif, | ||
| double precision, dimension(3,ncelet) | rhs | ||
| ) |
| [in] | idtvar | indicator of the temporal scheme |
| [in] | ivar | index of the current variable |
| [in] | nswrgp | number of reconstruction sweeps for the gradients |
| [in] | imligp | clipping gradient method
|
| [in] | ircflp | indicator
|
| [in] | inc | indicator
|
| [in] | imrgra | indicator
|
| [in] | ivisep | indicator to take ![]()
|
| [in] | ippu | index of the variable for post-processing |
| [in] | iwarnp | verbosity |
| [in] | epsrgp | relative precision for the gradient reconstruction |
| [in] | climgp | clipping coeffecient for the computation of the gradient |
| [in] | relaxp | coefficient of relaxation |
| [in] | thetap | weightening coefficient for the theta-schema,
|
| [in] | pvar | solved variable (current time step) |
| [in] | pvara | solved variable (previous time step) |
| [in] | coefav | boundary condition array for the variable (Explicit part) |
| [in] | coefbv | boundary condition array for the variable (Impplicit part) |
| [in] | cofafv | boundary condition array for the diffusion of the variable (Explicit part) |
| [in] | cofbfv | boundary condition array for the diffusion of the variable (Implicit part) |
| [in] | viscf | at interior faces for the r.h.s. |
| [in] | viscb | at border faces for the r.h.s. |
| [in] | secvif | secondary viscosity at interior faces |
| [in,out] | rhs | right hand side |
1.8.3.1